JsModule {
    bom_token: missing (optional),
    interpreter_token: missing (optional),
    directives: JsDirectiveList [],
    items: JsModuleItemList [
        JsForStatement {
            for_token: FOR_KW@0..3 "for" [] [],
            l_paren_token: L_PAREN@3..4 "(" [] [],
            initializer: JsArrayExpression {
                l_brack_token: L_BRACK@4..5 "[" [] [],
                elements: JsArrayElementList [
                    JsInExpression {
                        property: JsStringLiteralExpression {
                            value_token: JS_STRING_LITERAL@5..9 "\"a\"" [] [Whitespace(" ")],
                        },
                        in_token: IN_KW@9..12 "in" [] [Whitespace(" ")],
                        object: JsObjectExpression {
                            l_curly_token: L_CURLY@12..13 "{" [] [],
                            members: JsObjectMemberList [],
                            r_curly_token: R_CURLY@13..14 "}" [] [],
                        },
                    },
                ],
                r_brack_token: R_BRACK@14..15 "]" [] [],
            },
            first_semi_token: SEMICOLON@15..16 ";" [] [],
            test: missing (optional),
            second_semi_token: SEMICOLON@16..17 ";" [] [],
            update: missing (optional),
            r_paren_token: R_PAREN@17..19 ")" [] [Whitespace(" ")],
            body: JsBlockStatement {
                l_curly_token: L_CURLY@19..20 "{" [] [],
                statements: JsStatementList [],
                r_curly_token: R_CURLY@20..21 "}" [] [],
            },
        },
    ],
    eof_token: EOF@21..22 "" [Newline("\n")] [],
}

0: JS_MODULE@0..22
  0: (empty)
  1: (empty)
  2: JS_DIRECTIVE_LIST@0..0
  3: JS_MODULE_ITEM_LIST@0..21
    0: JS_FOR_STATEMENT@0..21
      0: FOR_KW@0..3 "for" [] []
      1: L_PAREN@3..4 "(" [] []
      2: JS_ARRAY_EXPRESSION@4..15
        0: L_BRACK@4..5 "[" [] []
        1: JS_ARRAY_ELEMENT_LIST@5..14
          0: JS_IN_EXPRESSION@5..14
            0: JS_STRING_LITERAL_EXPRESSION@5..9
              0: JS_STRING_LITERAL@5..9 "\"a\"" [] [Whitespace(" ")]
            1: IN_KW@9..12 "in" [] [Whitespace(" ")]
            2: JS_OBJECT_EXPRESSION@12..14
              0: L_CURLY@12..13 "{" [] []
              1: JS_OBJECT_MEMBER_LIST@13..13
              2: R_CURLY@13..14 "}" [] []
        2: R_BRACK@14..15 "]" [] []
      3: SEMICOLON@15..16 ";" [] []
      4: (empty)
      5: SEMICOLON@16..17 ";" [] []
      6: (empty)
      7: R_PAREN@17..19 ")" [] [Whitespace(" ")]
      8: JS_BLOCK_STATEMENT@19..21
        0: L_CURLY@19..20 "{" [] []
        1: JS_STATEMENT_LIST@20..20
        2: R_CURLY@20..21 "}" [] []
  4: EOF@21..22 "" [Newline("\n")] []